METHOD AND APPARATUS TO FILTER AND DISPLAY ONLY POIs CLOSEST TO A ROUTE

a technology of a navigation system and a filtering device, applied in the field of apparatus and a method to display only pois closest to a route, can solve the problem that the user does not disclose the method of filtering out redundant pois, and achieve the effect of reducing the clutter of pois on the screen

Inactive Publication Date: 2010-12-02
ALPINE ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009]It is another object of the present invention to provide a clear and concise way to display POIs, so that the user has better understanding of the POIs closest to at least a p...

Problems solved by technology

Like Laverty, Tu does not disclose how to filter out redundant POIs with ...

Method used

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  • METHOD AND APPARATUS TO FILTER AND DISPLAY ONLY POIs CLOSEST TO A ROUTE
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  • METHOD AND APPARATUS TO FILTER AND DISPLAY ONLY POIs CLOSEST TO A ROUTE

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Embodiment Construction

[0033]The detailed description set forth below is intended as a description of the presently exemplary device provided in accordance with aspects of the present invention and is not intended to represent the only forms in which the present invention may be prepared or utilized. It is to be understood, rather, that the same or equivalent functions and components may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention.

[0034]Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood to one of ordinary skill in the art to which this invention belongs. Although any methods, devices and materials similar or equivalent to those described can be used in the practice or testing of the invention, the exemplary methods, devices and materials are now described.

[0035]All publications mentioned are incorporated by reference for the purpose of describing and disclos...

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Abstract

This invention relates to an apparatus and a method to display Points-of-Interest (POIs) in a navigation system. More specifically, this invention relates to a navigation-based apparatus and method adapted to filter redundant POIs and display only the POIs closest to the route. In one aspect, the POI display apparatus in the navigation system includes a user interface to display maps and POI information, an information receiver adapted to receive a current location of a user, at least one database to store maps, road networks and POI information, a route generating unit to retrieve the map and road network data from the database and generate a calculated route, a POI searching unit to search POIs in a predetermined searching range and searching distance and a POI filtering unit to divide the POIs discovered by the searching unit into different categories, group the POIs with the same names in each category and sort the POIs in each group according to the distance from the calculated route. In one embodiment, the POI information can be transmitted to the navigation from a remote server or communication networks.

Description

FIELD OF THE INVENTION[0001]This invention relates to an apparatus and a method to display Points-of-Interest (POIs) in a navigation system. More specifically, this invention relates to a navigation-based apparatus and method adapted to filter redundant POIs and display only the POIs closest to the route.BACKGROUND OF THE INVENTION[0002]Navigation devices, including portable navigation devices (PNDs), have become more popular and affordable recently for most users. The navigation device can, not only determine the driver's current position by utilizing the Global Positioning System (GPS), but also provide different routing information between the vehicle's current position and the destination. In order to perform abovementioned functions, the navigation device is usually equipped with a sophisticated navigation system comprising navigation computer programs and one or more detailed database to store and provide maps, road networks, geographical features, and waypoint or point-of-int...

Claims

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Application Information

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IPC IPC(8): G01C21/36G06F17/30
CPCG06F16/9537G01C21/3679
Inventor FENG, KYTE
Owner ALPINE ELECTRONICS INC
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